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脂肪瘤和脂肪肉瘤为两种病解不同的脂肪肿瘤、脂肪瘤常有包膜及分叶,肿瘤内有细小而规则的间隙,将肿瘤分成很多小叶,由于它有浸润性生长的特征,所以手术很少能彻底,脂肪肉瘤为少见恶性肿瘤Stout 将它分成四型,Ⅰ型为分化良好的粘液型,Ⅱ型为分化差的粘液型;Ⅲ型为腺瘤型,Ⅳ型为混合型,肿瘤的类型和大小直接影响愈后,其5年生存率为:Ⅰ型85%,Ⅱ型40%,Ⅲ型21%,
Lipoma and liposarcoma are two types of disease that resolve different types of fat tumors. Lipoma often has envelopes and lobulations. There are small and regular gaps in the tumor. The tumor is divided into many small lobules. Due to its characteristic of infiltrative growth, Surgery is rarely complete, liposarcoma is a rare malignancy Stout will it divided into four types, type Ⅰ for the well-differentiated mucus type, type Ⅱ poorly differentiated mucus type; type Ⅲ for the adenoma, type Ⅳ for the mixed type, The 5-year survival rate of tumor directly affects the type and size of tumor: 85% of type I, 40% of type II and 21% of type III,